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Jquery form function help

Posted on 2011-09-21
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Last Modified: 2012-05-12
I am building a form and one of the components will be a drop down menu and a text box. I would like the text box to be disabled, unless they select other from the drop down. If they select other then the text field becomes active. If they then choose another option after selecting other then the text field would go back to being disabled. This would only apply to two drop downs and two text fields on the form all other text fields on the form would not be disabled by default.

Thanks!
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Question by:Pdesignz
8 Comments
 
LVL 40

Expert Comment

by:Gurvinder Pal Singh
ID: 36575610
this one works for me
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
	<script src="jquery-1.4.2.min.js"></script>
	<script>
		$(document).ready(function(){
			$("#dp1").change(function(){
				if ( $(this).val() == "-1" )
				{
					$("#otherText").removeAttr("disabled");
				}
				else
				{
					$("#otherText").attr("disabled", "disabled");
				}
			});
		});
	</script>
</HEAD>

<BODY>
	<select id="dp1">
		<option value="1">One</option>
		<option value="2">Two</option>
		<option value="3">Three</option>
		<option value="-1">Other</option>
	</select>
	<input type="text" id="otherText" disabled/>
</BODY>
</HTML>

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LVL 83

Expert Comment

by:leakim971
ID: 36575621
check this : http://jsfiddle.net/7HBUP/


<form name="formshipping">
    <select name="CUST_STATE" id="CUST_STATE"><option val="">Select One</option><option val="1">One</option></select><input id="t1" name="t1" type="text" value="" disabled="disabled" /><br>
    <select name="SHIP_STATE" id="SHIP_STATE"><option val="">Select One</option><option val="1">One</option></select><input id="t2" name="t2" type="text" value="" disabled="disabled" /><br>
</form>

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$("#CUST_STATE").change(function() {
    if( $(this).prop("selectedIndex") == 0 ) {
        $("#t1").attr("disabled", true);
    }
    else {
        $("#t1").removeAttr("disabled");
    }
})

$("#SHIP_STATE").change(function() {
    if( $(this).prop("selectedIndex") == 0 ) {
        $("#t2").attr("disabled", true);
    }
    else {
        $("#t2").removeAttr("disabled");
    }
})

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0
 
LVL 3

Expert Comment

by:dkellner
ID: 36575638
Something like this will help you:

 
<select id="myDropDown" onchange="changedIt(this)">
	<option value=1> One
	<option value=2> Two
	<option value=3> Three
	<option value="x"> Other ...
</select>
<textarea id="myTextBox"></textarea>

<script type="text/javascript">

	function changedIt(obj) {
		var state=(obj.value=="x")?1:0;
		$("#myTextBox").attr("disabled",state);
	}

</script>

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(This example works if you ensure jQuery is included. Change the IDs as necessary, of course.
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Author Comment

by:Pdesignz
ID: 36575705
gurvinder372, I pasted your code and tried in Chrome, FF and IE and did not work in any browser.
0
 
LVL 40

Expert Comment

by:Gurvinder Pal Singh
ID: 36575740
beg to disagree, check this fiddle :)
http://jsfiddle.net/gurvinder372/nPZVD/
0
 

Author Comment

by:Pdesignz
ID: 36575815
You are correct, I had the wrong path to the jquery file. How would I do this with 2 drop downs and two text boxes, 1 dropdown for each text box.

Thanks
0
 
LVL 40

Accepted Solution

by:
Gurvinder Pal Singh earned 2000 total points
ID: 36577660
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Author Closing Comment

by:Pdesignz
ID: 37217702
Great Work!!
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